Core: Adding a way to pass method name to remote

Closes #1657.

This allows reusing remote as custom method via addMethod

src/core.js

@@ -1029,11 +1029,11 @@ $.extend( $.validator, {
 			}
 		},
 
-		previousValue: function( element ) {
+		previousValue: function( element, method ) {
 			return $.data( element, "previousValue" ) || $.data( element, "previousValue", {
 				old: null,
 				valid: true,
-				message: this.defaultMessage( element, { method: "remote" } )
+				message: this.defaultMessage( element, { method: method } )
 			} );
 		},
 
@@ -1379,19 +1379,21 @@ $.extend( $.validator, {
 		},
 
 		// http://jqueryvalidation.org/remote-method/
-		remote: function( value, element, param ) {
+		remote: function( value, element, param, method ) {
 			if ( this.optional( element ) ) {
 				return "dependency-mismatch";
 			}
 
-			var previous = this.previousValue( element ),
+			method = typeof method === "string" && method || "remote";
+
+			var previous = this.previousValue( element, method ),
 				validator, data, optionDataString;
 
 			if ( !this.settings.messages[ element.name ] ) {
 				this.settings.messages[ element.name ] = {};
 			}
-			previous.originalMessage = previous.originalMessage || this.settings.messages[ element.name ].remote;
+			previous.originalMessage = previous.originalMessage || this.settings.messages[ element.name ][ method ];
-			this.settings.messages[ element.name ].remote = previous.message;
+			this.settings.messages[ element.name ][ method ] = previous.message;
 
 			param = typeof param === "string" && { url: param } || param;
 			optionDataString = $.param( $.extend( { data: value }, param.data ) );
@@ -1414,7 +1416,7 @@ $.extend( $.validator, {
 					var valid = response === true || response === "true",
 						errors, message, submitted;
 
-					validator.settings.messages[ element.name ].remote = previous.originalMessage;
+					validator.settings.messages[ element.name ][ method ] = previous.originalMessage;
 					if ( valid ) {
 						submitted = validator.formSubmitted;
 						validator.prepareElement( element );
@@ -1424,7 +1426,7 @@ $.extend( $.validator, {
 						validator.showErrors();
 					} else {
 						errors = {};
-						message = response || validator.defaultMessage( element, { method: "remote", parameters: value } );
+						message = response || validator.defaultMessage( element, { method: method, parameters: value } );
 						errors[ element.name ] = previous.message = message;
 						validator.invalid[ element.name ] = true;
 						validator.showErrors( errors );

test/index.html

@@ -407,6 +407,9 @@
 		<input id="val2" type="text" name="val2" value="" />
 		<input id="val3" type="text" name="val3" value="" />
 	</form>
+	<form id="add-method-remote">
+		<input id="add-method-username" type="text" name="username" value="" data-rule-workemail="somevalue" required />
+	</form>
 </div>
 </body>
 </html>

test/test.js

@@ -61,6 +61,16 @@ $.mockjax( {
 	responseTime: 1
 } );
 
+$.mockjax( {
+	url: "workemail.php",
+	response: function( data ) {
+		this.responseStatus = data.data.special === "somevalue" ? 200 : 400; //Requires special param for request
+		if ( this.responseStatus === 200 ) { //Only if valid request - processing workemail
+			this.responseText = JSON.stringify( data.data.email === "john.doe@company.com" );
+		}
+	}
+} );
+
 // Asserts that there is a visible error with the given text for the specified element
 QUnit.assert.hasError = function( element, text, message ) {
 	var errors = $( element ).closest( "form" ).validate().errorsFor( element[ 0 ] ),
@@ -2173,3 +2183,35 @@ test( "#1618: Errorlist containing more errors than it should", function() {
 	inputList.valid();
 	equal( v.errorList.length, 2, "There should be no change in errorList's content" );
 } );
+
+asyncTest( "addMethod, reusing remote in custom method", function() {
+	expect( 7 );
+	$.validator.addMethod( "workemail", function( value, element, param ) {
+		return $.validator.methods.remote.call( this, value, element, {
+			url: "workemail.php",
+			data: { email: value, special: param }
+		}, "workemail" );
+	}, "work email custom message" );
+
+	var e = $( "#add-method-username" ),
+		v = $( "#add-method-remote" ).validate();
+
+	$( document ).ajaxStop( function() {
+		$( document ).unbind( "ajaxStop" );
+		strictEqual( v.size(), 1, "There must be one error" );
+		strictEqual( v.errorList[ 0 ].message, "work email custom message", "john.doe@gmail.com is not work email" );
+
+		$( document ).ajaxStop( function() {
+			$( document ).unbind( "ajaxStop" );
+			strictEqual( v.size(), 0, "There must be no errors" );
+			ok( v.element( e ), "john.doe@company.com is work email ;)" );
+			start();
+		} );
+		e.val( "john.doe@company.com" );
+		strictEqual( v.element( e ), true, "new value, new request; dependency-mismatch considered as valid though" );
+	} );
+	strictEqual( v.element( e ), false, "invalid element, nothing entered yet" );
+	e.val( "john.doe@gmail.com" );
+	strictEqual( v.element( e ), true, "still invalid, because remote validation must block until it returns; dependency-mismatch considered as valid though" );
+} );
+